diff --git a/pkg/apis/acid.zalan.do/register.go b/pkg/apis/acid.zalan.do/register.go
index 0d6587277..2798f5690 100644
--- a/pkg/apis/acid.zalan.do/register.go
+++ b/pkg/apis/acid.zalan.do/register.go
@@ -4,7 +4,7 @@ import "os"
 
 var (
     // GroupName is the group name for the operator CRDs
-    GroupName = getEnvWithDefault("POSTGRES_OPERATOR_API_GROUP", "ost.cloud.rakuten.com")
+    GroupName = getEnvWithDefault("POSTGRES_OPERATOR_API_GROUP", "acid.zalan.do")
 )
 
 func getEnvWithDefault(key, defaultValue string) string {